Bottle stopper



FIG. 1 is a front elevation view of a bottle stopper showing my new design; the rear view being a mirror image thereof;

FIG. 2 is a left side elevation view of the bottle stopper of FIG. 1;

FIG. 3 is a right side elevation view of the bottle stopper of FIG. 1;

FIG. 4 is a top view of the bottle stopper of FIG. 1;

FIG. 5 is a bottom view of the bottle stopper of FIG. 1;

FIG. 6 is a bottom perspective view of the bottle stopper of FIG. 1; and,

FIG. 7 is a cross-sectional view of the bottle stopper; taken in the direction of line 7-7 on FIG. 4. 

CLAIM The ornamental design for a bottle stopper, as shown and described. 